How to set Android Auto Mirroring on iSmart Auto V3 5G Unit

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How to repair Mercedes Benz steering angle sensor faulty

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When the driver turns on the engine and moves steering wheel, the the side slide light will be light up at instrument panel, turns off the engine and turns on again, then side slide light off too. If you steering wheel again, slide light will be light up again. After checking, we get a report on internal faulty of the steering sensor(most time with no reason)  All New C & E class are using such steering angle sensor, so it's a problem we will meet quite often.  OK, let's move forwarder on how to repair it. According to our experience, most time such problem is caused by 4 reasons as follows 1, Dust. Yes, quite simple, dust is the murder.   Why does dust causes the problem?  OK, the working principle of the steering angle sensor is that the scale signal board(yellow board) combines with the optical detecting components together detecting the moving angle. But after period, there would have dust go inside, and the dust influences t...
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How to fix BMW NBT Error Code NO SIGNAL

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For BMW NBT, its normal having error code NO SIGNAL. Normally at such condition, we have to remove the 8G sanasonic chip from small PCB, then use SW to enhance it. Due to the tiny BGA pad of the chip(0.33MM), it will be time cost and skill required job to remove/ re-soldering the chip, even rebuidler have the risk break the whole PCB board. That's the reason we develop this device to prevent those problems. With NBT repair fixture KR60022B , user just needs to remove 4 pieces of SMD resistors( for some small chip NBT board, have to remove one more) Then connect the KR60022B fixture on the board. The next step is connect to PC, open the SW to transfer/copy data. There are 2 kinds size of the sanasonic chip-12X16MM/11X13MM, KR60022B can work on both of them.   Other car models with this fixture can be worked on Mercedes Benz 166  EMMC data TOYOTA RAV4    error code 9610-OR030 OR080
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Mercedes Benz 722.9 Transmission Plate Repair

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We met a lot of transmission plate problems when repair Mercedes Benz. Most time, the broken part is only the speed sensor in the plate. To exchange a new transmission plate is quite expensive, but to replace theses speed sensors, is not only cheap but also a fast solving method. How to replace the speed sensor? Step 1, Confirm the broken unit is the speed sensor. The diagnostic result will show: the turbo speed sensor no signals or fault... Step 2, Remove the broken speed sensor from the plate. That's the hardest part we will face, as the speed sensor stay too tight. Here we normally use two ways to remove it, A,  Tools you need, a electric drill, a screwdriver and a hammer， below is the removing process B. Tools you need: a speed sensor removal bar, a hammer In both ways, please note that DO NOT break the yellow film, or any other part, especially using hammer. Step 3, Glue the hole( not too much), and insert a ...
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